CN212493968U - Broken coke recovery device for blast furnace metallurgical coke bin - Google Patents
Broken coke recovery device for blast furnace metallurgical coke bin Download PDFInfo
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- CN212493968U CN212493968U CN202021054348.6U CN202021054348U CN212493968U CN 212493968 U CN212493968 U CN 212493968U CN 202021054348 U CN202021054348 U CN 202021054348U CN 212493968 U CN212493968 U CN 212493968U
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Abstract
The utility model relates to a coke crushing and recycling device of a blast furnace metallurgical coke bin, which comprises a frame, a finished coke bin, a first screening machine, a furnace feeding and conveying mechanism, a recycling and conveying mechanism and a secondary screening device; the secondary screening device comprises a second screening machine, a coke breeze bin and a coke crushing bin; the furnace feeding conveying mechanism passes through the lower part of a discharge hole of the crushed coke bin, and a control mechanism is arranged below the discharge hole of the crushed coke bin; the control mechanism comprises a discharge pipeline fixedly arranged below a discharge port of the crushed coke bin, a gate arranged at an opening at the bottom end of the discharge pipeline and a blanking plate arranged below the gate. It sieves out respectively and stores garrulous coke and fine coke in the coke respectively through twice screening to provide the energy in using different processes, reduced the fine coke content that brings when the coke is gone into the stove, improve the combustion efficiency of coke, carry out recycle to garrulous coke and fine coke again, improve the utilization ratio of coke, reduction in production cost.
Description
Technical Field
The utility model belongs to the technical field of coke blast furnace silo technique and specifically relates to a garrulous burnt recovery unit of blast furnace metallurgical coke feed bin.
Background
Blast furnace smelting is an important link of modern steel production, wherein coke is one of main energy sources and reducing agents in the blast furnace smelting, and the control of the amount of the coke entering the blast furnace has a crucial influence on the blast furnace smelting, so that the accurate use and the economical use of the coke have direct influence on the economic and technical indexes of the blast furnace production.
The coke bin is a device which is responsible for storing coke raw materials and providing qualified coke particles for blast furnace smelting at regular time and quantity. The coke is divided into different types according to the granularity of the coke raw material, wherein the coke is obtained when the granularity is more than 25mm, the crushed coke is obtained when the granularity is 10-25mm, and the coke powder is obtained when the granularity is less than 10 mm. Most of the coke entering the blast furnace for smelting is required to be more than 25mm in particle size, and in order to save energy, reduce emission and improve the combustion efficiency of the coke, a certain proportion of crushed coke is doped in the screened coke, so that the high-efficiency screening efficiency and low coke powder entrainment rate of the coke provide important preconditions for good air permeability and coal gas utilization.
At present, screening to coke is simple below at the coke feed bin sets up the screening machine, simply screen the coke raw materials, make the coke raw materials in the coke more than 25mm screen out the back and send into the blast furnace burning, and the broken coke after the screening can not sieve again with the fine coke, and broken coke and fine coke mix the rate of bringing into that can increase the fine coke in the coke together, influence the combustion efficiency of coke, if direct send into other process burning with the mixture of broken coke and fine coke, the utilization ratio to the broken coke is lower again, increase manufacturing cost in the intangible.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a not enough to prior art exists, the utility model aims at providing a blast furnace metallurgical coke feed bin garrulous burnt recovery unit, it is through twice screening, screens out respectively the garrulous burnt in the coke and the fine coke and store garrulous burnt and fine coke respectively to use and provide the energy in the different processes, reduced the coke and gone into the burnt content of bringing when stove into, improve the combustion efficiency of coke, carry out recycle to garrulous burnt and fine coke again, improve the utilization ratio of coke and garrulous burnt, reduction in production cost.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
a blast furnace metallurgical coke bin broken coke recovery device comprises a rack, a finished coke bin arranged on the rack, a first screening machine arranged below a discharge port of the finished coke bin and used for screening coke particles with the particle size of more than 25mm, and a furnace feeding conveying mechanism arranged below a coarse material outlet of the first screening machine, wherein a recovery conveying mechanism is arranged below a fine material outlet of the first screening machine, and a secondary screening device is arranged at one end, far away from the first screening mechanism, of the recovery conveying mechanism;
the secondary screening device comprises a second screening machine, a coke powder bin and a coke crushing bin, wherein the second screening machine is arranged below the recovery conveying mechanism and used for screening coke crushing particles with the granularity of more than 10mm, the coke powder bin is arranged below a fine material outlet of the second screening machine, and the coke crushing bin is arranged below a coarse material outlet of the second screening machine;
the recycling conveying mechanism is conveyed to one side of the secondary screening mechanism by a first screening machine, the in-furnace conveying mechanism passes through the lower part of a discharge port of the crushed coke bin, a control mechanism for controlling the discharge speed of the crushed coke is arranged below the discharge port of the crushed coke bin, and the control mechanism is positioned above the in-furnace conveying mechanism;
the control mechanism comprises a discharge pipeline fixedly arranged below a discharge hole of the coke crushing bin, a gate arranged at an opening at the bottom end of the discharge pipeline and a blanking plate arranged below the gate;
the gate can open or close the bottom opening of the discharge pipeline, and one end of the blanking plate is obliquely arranged towards one side of the furnace feeding mechanism.
Through adopting above-mentioned technical scheme, the coke that transports the scene is being stored in the finished product coke bin to contain broken coke and fine coke in the coke, the coke falls into first screening machine from the discharge gate in finished product coke bin, and first screening machine screens out the broken coke and the fine coke mixture below the granularity 25mm, makes the coke more than the granularity 25mm drop into on the stove conveying mechanism through the coarse fodder export of first screening machine, carries to burn in the blast furnace through going into stove conveying mechanism. The mixture of the crushed coke and the coke powder with the granularity of less than 25mm screened by the first screening machine falls onto the recovery conveying mechanism from the fine powder outlet, and is conveyed into the secondary screening mechanism by the recovery conveying mechanism for secondary screening. The crushed coke and coke powder mixture is conveyed to the second screening machine through the recycling and conveying mechanism, the coke powder with the granularity of less than 10mm is screened out by the second screening machine, the crushed coke falls into the crushed coke bin from a coarse material outlet of the second screening machine for storage, and the screened coke powder falls into the coke powder bin from a fine powder outlet of the second screening machine for storage. The screened coke fragments are added into the coke in batches according to the calculated ratio of the coke charging amount and the operation parameters through the control mechanism, so that the combustion efficiency of the coke is improved to the maximum extent. Wherein, through the speed and the volume of the steerable garrulous burnt unloading of the degree of opening of gate, the garrulous burnt that flows out from ejection of compact pipeline drops on flitch down the back, slides to going into stove conveying mechanism after the guide of flitch down on, mixes with the coke of going into the stove conveying mechanism and going up the transport.
The present invention may be further configured in a preferred embodiment as: the gate sliding connection is on the ejection of compact pipeline, be provided with first pneumatic cylinder on the ejection of compact pipeline, the cylinder body one end of first pneumatic cylinder is articulated with the ejection of compact pipeline, and the other end is articulated with the one end of gate.
Through adopting above-mentioned technical scheme, start first pneumatic cylinder, the piston rod of first pneumatic cylinder stretches out length promptly steerable gate's displacement, and control mode is simple and convenient.
The present invention may be further configured in a preferred embodiment as: the both ends of gate have set firmly the mounting panel respectively, the mounting panel is located one side of ejection of compact pipeline, the side that the mounting panel is close to ejection of compact pipeline has still set firmly the slide bar, set up the spout with slide bar looks adaptation on the lateral wall of ejection of compact pipeline, the slide bar slides in being located the spout.
Through adopting above-mentioned technical scheme, the slip of gate is realized to the cooperation of sliding strip and spout, and simple structure is compact.
The present invention may be further configured in a preferred embodiment as: the bottom surface of spout is gone up to rotate and is connected with a plurality of gyro wheels, and is a plurality of the gyro wheel sets up along the length direction interval of sliding strip, the sliding strip butt is on a plurality of gyro wheels.
Through adopting above-mentioned technical scheme, the frictional force when the gyro wheel can reduce the slip strip and remove makes opening and closing of gate more smooth and easy.
The present invention may be further configured in a preferred embodiment as: the higher one end of unloading height articulates in the below of ejection of compact pipeline, the other end inclines towards one side below of going into stove conveying mechanism, still be provided with the second pneumatic cylinder on the ejection of compact pipeline, the cylinder body of second pneumatic cylinder articulates on ejection of compact pipeline, the piston rod of second pneumatic cylinder articulates the one end of keeping away from its articulated department at the unloading board down.
By adopting the technical scheme, the extension length of the piston rod of the second hydraulic cylinder is controlled, so that the inclination angle of the blanking plate can be adjusted, the speed of the crushed coke sliding on the furnace feeding conveying mechanism is changed, and the control of the crushed coke mixing into the coke is further enhanced.
The present invention may be further configured in a preferred embodiment as: the recycling and conveying mechanism conveys the materials in the horizontal direction, the second screening machine is positioned above the recycling and conveying mechanism, and a lifting mechanism is arranged between the recycling and conveying mechanism and the second screening machine.
Through adopting above-mentioned technical scheme, hoist mechanism will retrieve the garrulous burnt that contains the fine coke that conveying mechanism goes up to carry, makes it fall into in the second screening machine again after improving the height of garrulous burnt, and the position of second screening machine is higher promptly, makes garrulous burnt storehouse, fine coke storehouse and finished product burnt storehouse all can set up same subaerially, reduces recovery unit's area.
The present invention may be further configured in a preferred embodiment as: the lifting mechanism adopts a 90-degree large-inclination-angle belt conveyor.
Through adopting above-mentioned technical scheme, 90 big inclination belt conveyor can be with the coke that contains the fine coke vertical lift to the top of second screening machine to compact structure, area is little, thereby reduces whole recovery unit's area.
The present invention may be further configured in a preferred embodiment as: the discharge hole of the coke powder bin is arranged at an interval with the ground.
Through adopting above-mentioned technical scheme, be convenient for arrange the below of powder coke storehouse discharge gate in with the transfer apparatus to in discharging the transfer apparatus with the coke powder in the powder coke storehouse, carry the coke powder by the transfer apparatus again and regard as energy resource consumption in other processes, reduce the waste of material, energy-conserving resource.
To sum up, the utility model discloses a following at least one useful technological effect:
1. screening out crushed coke and coke powder in the coke by using a first screening machine before the coke enters the furnace, reducing the content of the coke powder carried by the coke when the coke enters the furnace, improving the combustion efficiency of the coke, screening the mixture of the crushed coke and the coke powder by using a second screening machine, respectively storing the separated crushed coke and the separated coke powder, and providing the separated crushed coke and the separated coke powder as energy sources in different procedures, improving the utilization rate of the coke and reducing the production cost;
2. the coke is fed into the blast furnace for combustion through the in-furnace conveying mechanism, the in-furnace conveying mechanism passes through the lower part of the coke crushing bin filled with crushed coke, and the crushed coke is added into the coke in batches according to the calculated ratio of the coke in-furnace amount and the operation parameters, so that the crushed coke and the coke are combusted in the blast furnace together, and the combustion efficiency of the coke is further improved;
3. a lifting mechanism is arranged between the recovery conveying mechanism and the second screening machine, the mixture of the crushed coke and the coke powder is sent into the second screening machine through the lifting mechanism, namely the height of the second screening machine is higher, so that the coke powder bin, the crushed coke bin and the finished coke bin can be arranged on the same ground, and the occupied area of the whole recovery device is reduced.
Drawings
FIG. 1 is a schematic isometric view of a coke breeze recovery unit;
FIG. 2 is a schematic isometric view of the structure of FIG. 1 from perspective A;
FIG. 3 is a partial schematic view showing a control mechanism;
fig. 4 is a partially enlarged view of a portion B in fig. 3.
In the figure, 1, a finished coke bin; 2. a first screening machine; 3. a furnace-entering conveying mechanism; 4. a recovery conveying mechanism; 5. a secondary screening mechanism; 51. a second screening machine; 52. a lifting mechanism; 53. a fine coke bin; 54. a crushed coke bin; 6. a control mechanism; 61. a discharge pipeline; 611. a chute; 612. a roller; 62. a shutter plate; 621. mounting a plate; 622. a slide bar; 63. a first hydraulic cylinder; 64. a blanking plate; 65. a connecting plate; 66. and a second hydraulic cylinder.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses a blast furnace metallurgical coke feed bin broken coke recovery unit, including the frame, install a plurality of finished product coke bins 1 in the frame, a plurality of finished product coke bins 1 set up side by side. The finished coke bin 1 is used for containing finished coke, a discharge port of the finished coke bin 1 is arranged downwards, and the discharge port of the finished coke bin 1 is arranged at an interval with the ground.
Referring to fig. 1, a first screening machine 2 is arranged below a discharge port of a finished coke bin 1, the first screening machine 2 is a vibrating screening machine, the first screening machine 2 screens coke particles with the granularity of more than 25mm through vibration, the coke particles with the granularity of more than 25mm slowly flow out from a coarse material outlet of the first screening machine 2 at a constant speed, and crushed coke particles with the granularity of less than 25mm flow out from a fine material outlet of the first screening machine 2.
Referring to fig. 1 and 2, a furnace feeding conveying mechanism 3 is arranged below the coarse material outlet of each first screening machine 2, the furnace feeding conveying mechanism 3 passes through the lower part of the coarse material outlet of each first screening machine 2, and the furnace feeding conveying mechanism 3 is used for conveying coke particles with the particle size of more than 25mm into the blast furnace to be used as energy for combustion. A recovery conveying mechanism 4 is arranged below the fine material outlet of each first screening machine 2, and the recovery conveying mechanism 4 passes through the fine material outlet of each first screening machine 2, namely, the furnace-entering conveying mechanism 3 and the recovery conveying mechanism 4 are arranged side by side. Retrieve conveying mechanism 4 and keep away from the one end in a plurality of finished product coke bins 1 and be equipped with secondary screening mechanism 5, retrieve conveying mechanism 4 and be arranged in collecting the broken coke granule below the granularity 25mm and carry to secondary screening mechanism 5, and secondary screening mechanism 5 is arranged in sieving the fine coke of the below granularity 25mm from the broken coke. Wherein, go into stove conveying mechanism 3 and retrieve conveying mechanism 4 and all adopt horizontal band conveyer, and horizontal band conveyer carries steadily, and carries the distance longer, and the conveying capacity is big, is convenient for maintain.
Referring to fig. 1, the secondary screening mechanism 5 includes a second screening machine 51, the second screening machine 51 also employs a vibrating screening machine, the second screening machine 51 screens coke breeze particles having a particle size of 10mm or less by vibration, and discharges coke breeze having a particle size of 10mm or less contained in coke breeze having a particle size of 25mm or less from a fine material outlet of the second screening machine 51, and coke breeze having a particle size of 10mm to 25mm slowly and uniformly flows from a coarse material outlet of the second screening machine 51.
Referring to fig. 1 and 2, the second sifter 51 is located above the recycling conveying mechanism 4, a lifting mechanism 52 is arranged between the recycling conveying mechanism 4 and the second sifter 51, and the lifting mechanism 52 can lift the crushed coke containing coke powder on the recycling device to a height above the feed inlet of the second sifter 51, so that the crushed coke containing coke powder falls into the second sifter 51. The lifting mechanism 52 uses a 90 ° large-inclination belt conveyor, which can vertically lift the crushed coke containing the coke powder above the second sifter 51 and drop into the second sifter 51. And the belt conveyor with the large inclination angle of 90 degrees has the advantages of simple and compact structure, small occupied area and the like.
Referring to fig. 1 and 2, a coke breeze bin 53 is arranged below the fine material outlet of the second sieving machine 51, the coke breeze bin 53 is used for containing coke breeze with the granularity of less than 10mm, a discharge hole of the coke breeze bin 53 is vertically arranged downwards, and the discharge hole of the coke breeze bin 53 is arranged at intervals with the ground. A crushed coke bin 54 is arranged below the coarse material outlet of the second sieving machine 51, the crushed coke bin 54 is used for containing crushed coke with the granularity of 10 mm-25 mm, and the discharge hole of the crushed coke bin 54 is vertically arranged downwards.
Referring to fig. 2, the feeding conveying mechanism 3 passes through the lower part of the discharging port of the crushed coke bin 54, a control mechanism 6 is arranged between the discharging port of the crushed coke bin 54 and the feeding conveying mechanism 3, the control mechanism 6 can control the discharging amount and the discharging speed of the crushed coke bin 54, and the discharging port of the control mechanism 6 is located above the feeding conveying mechanism 3.
Coke in the finished coke bin 1 falls into the first screening machine 2 from the discharge hole of the finished coke bin 1, the crushed coke with the granularity of less than 25mm in the coke is screened by the first screening machine 2, wherein the coke with the granularity of more than 25mm falls into the furnace conveying mechanism 3 from the coarse material outlet of the first screening machine 2, and the coke is conveyed into the blast furnace by the furnace conveying mechanism 3 to be combusted so as to provide energy for blast furnace metallurgy. The crushed coke falls onto the recovery conveying mechanism 4 from the fine material outlet of the first screening machine 2 and is conveyed to the lifting mechanism 52 by the recovery conveying mechanism 4, the lifting mechanism 52 lifts the crushed coke above the second screening machine 51 and enters the second screening machine 51, the second screening machine 51 screens out coke powder with the granularity of less than 10mm in the crushed coke, the crushed coke with the granularity of 10 mm-25 mm flows out from the coarse material outlet of the second screening machine 51 and falls into the crushed coke bin 54 for storage, and the coke powder flows out from the fine material outlet of the second screening machine 51 and falls into the coke bin 53 for storage.
The crushed coke in the crushed coke bin 54 can be added into the coke in batches under the control of the control mechanism 6 according to the calculated ratio of the coke charging amount and the operation parameters, and the coke is combusted in the blast furnace along with the coke, so that the charging rate of coke powder is reduced, the combustion efficiency and the utilization rate of the coke in the blast furnace are improved, and the production cost is reduced. And to the fine coke in the fine coke storehouse 53, regularly transfer to the sintering process batching room by the transfer apparatus, move the transfer apparatus to the discharge gate below of fine coke storehouse 53, open the discharge gate sluice gate of fine coke storehouse 53 after, the fine coke in the fine coke storehouse 53 can fall into the transfer apparatus to the fine coke is recycled, reduces the waste of the energy.
Wherein, referring to fig. 2 and fig. 3, the control mechanism 6 includes the discharge pipe 61 that sets firmly below the discharge port of the broken coke bin 54, the discharge pipe 61 is a vertically arranged rectangular pipe, the upper and lower both ends of the discharge pipe 61 are both in the opening shape, and the discharge pipe 61 is still fixedly connected with the frame, the bottom opening of the discharge pipe 61 is located above the furnace conveying mechanism 3, so that the broken coke in the broken coke bin 54 can fall onto the furnace conveying mechanism 3 from the discharge pipe 61.
Referring to fig. 3, a gate plate 62 is disposed at a bottom opening of the discharging pipe 61, the gate plate 62 is a rectangular plate, an area of the gate plate 62 is larger than an area of the bottom opening of the discharging pipe 61, the gate plate 62 can slide on the discharging pipe 61 along a length direction thereof, so as to open and close the bottom opening of the discharging pipe 61, and a moving direction of the gate plate 62 when the discharging pipe 61 is opened is opposite to a conveying direction of the furnace conveying mechanism 3.
Referring to fig. 3 and 4, the two ends of the gate in the width direction are respectively fixedly provided with a mounting plate 621, the mounting plates 621 are arranged along the length direction of the gate, the discharging pipe 61 is located between the two mounting plates 621, the side surface of the mounting plate 621 close to the discharging pipe 61 is fixedly provided with a sliding strip 622, the sliding strip 622 is also arranged along the length direction of the gate, a sliding groove 611 matched with the sliding strip 622 is formed in the side wall of the mounting pipe, the bottom wall of the sliding groove 611 is rotatably connected with a plurality of rollers 612, the sliding strip 622 is located in the sliding groove 611, and the bottom surface of the sliding strip 622 abuts against the plurality of rollers 612, so that the sliding strip 622 can slide in the sliding groove 611, and the function of moving the.
Referring to fig. 3, the discharging pipe 61 is further provided with a first hydraulic cylinder 63, one end of a cylinder body of the first hydraulic cylinder 63 is hinged to a side wall of the discharging pipe 61 on one side in the width direction of the gate, a piston rod of the first hydraulic cylinder 63 extends obliquely downward and is hinged to one end of the gate, and the moving distance of the gate can be controlled by controlling the extending length of the piston rod of the first hydraulic cylinder.
Referring to fig. 3, a blanking plate 64 is disposed below the shutter 62, the blanking plate 64 is also disposed above the furnace feeding mechanism 3, two side walls of the discharging pipe 61 along the width direction of the shutter 62 are respectively and fixedly provided with a connecting plate 65, the connecting plates 65 extend downward to one side of the blanking plate 64, so that one end of the blanking plate 64 is disposed between the two connecting plates 65 and hinged to the two connecting plates, and the shutter 62 is also disposed between the two connecting plates 65. The end of the blanking plate 64 remote from the connecting plate 65 is arranged obliquely downwards.
Referring to fig. 3, two second hydraulic cylinders 66 are disposed on a side of the blanking plate 64 away from the connecting plate 65, and the two second hydraulic cylinders 66 are respectively disposed on two sides of the blanking plate 64 in the width direction of the gate. One end of the second hydraulic cylinder 66 is hinged to the side wall of the feeding pipeline, the second hydraulic cylinder 66 and the first hydraulic cylinder 63 do not interfere with each other, and a piston rod of the second hydraulic cylinder 66 inclines downwards and is hinged to the blanking plate 64. When the piston rod of the second hydraulic cylinder 66 extends out, the end of the blanking plate 64 connected with the hydraulic cylinder is driven to move downwards; on the contrary, when the piston rod of the second hydraulic cylinder 66 is retracted, the end of the lower material plate 64 connected to the hydraulic cylinder is driven to move upward, so that the inclination angle of the lower material plate 64 is adjusted.
When the crushed coke is controlled to be mixed into the coke, the first hydraulic cylinder 63 drives the gate to move, so that the gate leaks the bottom opening of the discharge pipeline 61, the crushed coke falls out of the bottom opening of the discharge pipeline 61, and the discharge speed of the crushed coke can be controlled by controlling the opening range of the gate; the crushed coke falling from the discharge pipe 61 falls on the lower material plate 64, slides on the furnace feeding mechanism 3 under the guiding action of the lower plate until falling on the furnace feeding mechanism 3, and is mixed with the coke, and the sliding speed of the crushed coke can be controlled by controlling the inclination angle of the lower material plate 64 which can be adjusted by the two second hydraulic cylinders 66, so that the mixing ratio of the crushed coke and the coke can be controlled.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a metallurgical coke bin broken coke recovery unit of blast furnace, includes the frame, sets up finished product coke bin (1) in the frame, sets up in finished product coke bin (1) discharge gate below and be used for screening the first screening machine (2) of the above coke granule of granularity 25mm, sets up entering stove conveying mechanism (3) below first screening machine (2) coarse fodder export, its characterized in that: a recovery conveying mechanism (4) is arranged below a fine material outlet of the first screening machine (2), and a secondary screening device is arranged at one end, far away from the first screening machine (2), of the recovery conveying mechanism (4);
the secondary screening device comprises a second screening machine (51) which is arranged below the recovery conveying mechanism (4) and is used for screening the crushed coke particles with the granularity of more than 10mm, a coke powder bin (53) which is arranged below a fine material outlet of the second screening machine (51), and a crushed coke bin (54) which is arranged below a coarse material outlet of the second screening machine (51);
the recycling conveying mechanism (4) is conveyed to one side of the secondary screening mechanism (5) through the first screening machine (2), the furnace entering conveying mechanism (3) passes through the lower part of a discharge hole of the crushed coke bin (54), a control mechanism (6) for controlling the discharge speed of the crushed coke is arranged below the discharge hole of the crushed coke bin (54), and the control mechanism (6) is positioned above the furnace entering conveying mechanism (3);
the control mechanism (6) comprises a discharge pipeline (61) fixedly arranged below a discharge hole of the coke crushing bin (54), a gate arranged at an opening at the bottom end of the discharge pipeline (61) and a blanking plate (64) arranged below the gate;
the gate can open or close the bottom opening of the discharging pipeline (61), and one end of the discharging plate (64) is obliquely arranged towards one side of the furnace feeding conveying mechanism (3).
2. The crushed coke recovery device for the blast furnace metallurgical coke bin according to claim 1, wherein: gate sliding connection is on ejection of compact pipeline (61), be provided with first pneumatic cylinder (63) on ejection of compact pipeline (61), the cylinder body one end of first pneumatic cylinder (63) is articulated with ejection of compact pipeline (61), the other end is articulated with the one end of gate.
3. The crushed coke recovery device of the blast furnace metallurgical coke bin as claimed in claim 2, wherein: the both ends of gate have set firmly mounting panel (621) respectively, mounting panel (621) are located the one side of ejection of compact pipeline (61), sliding strip (622) have still been set firmly to the side that mounting panel (621) are close to ejection of compact pipeline (61), offer spout (611) with sliding strip (622) looks adaptation on the lateral wall of ejection of compact pipeline (61), sliding strip (622) are located spout (611) and slide.
4. The crushed coke recovery device of the blast furnace metallurgical coke bin according to claim 3, characterized in that: a plurality of rollers (612) are rotatably connected to the bottom surface of the sliding groove (611), the rollers (612) are arranged at intervals along the length direction of the sliding strip (622), and the sliding strip (622) abuts against the rollers (612).
5. The crushed coke recovery device for the blast furnace metallurgical coke bin according to claim 1, wherein: the high end of the lower material plate (64) is hinged below the discharge pipeline (61), the other end of the lower material plate inclines towards the lower side of one side of the furnace feeding conveying mechanism (3), a second hydraulic cylinder (66) is further arranged on the discharge pipeline (61), the cylinder body of the second hydraulic cylinder (66) is hinged on the discharge pipeline (61), and the piston rod of the second hydraulic cylinder (66) is hinged to one end, far away from the hinged position, of the lower material plate (64).
6. The blast furnace metallurgical coke bin crushed coke recycling device according to any one of claims 1 to 5, characterized in that: the recycling and conveying mechanism (4) conveys the materials in the horizontal direction, the second screening machine (51) is positioned above the recycling and conveying mechanism (4), and a lifting mechanism (52) is arranged between the recycling and conveying mechanism (4) and the second screening machine (51).
7. The crushed coke recovery device for the blast furnace metallurgical coke bin according to claim 6, wherein: the lifting mechanism (52) adopts a belt conveyor with a large inclination angle of 90 degrees.
8. The crushed coke recovery device for the blast furnace metallurgical coke bin according to claim 6, wherein: the discharge hole of the coke powder bin (53) is arranged at intervals with the ground.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021054348.6U CN212493968U (en) | 2020-06-10 | 2020-06-10 | Broken coke recovery device for blast furnace metallurgical coke bin |
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| CN202021054348.6U CN212493968U (en) | 2020-06-10 | 2020-06-10 | Broken coke recovery device for blast furnace metallurgical coke bin |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113198609A (en) * | 2021-03-30 | 2021-08-03 | 湖南华菱湘潭钢铁有限公司 | Pre-sorting process of coke powder for sintering |
| CN115404087A (en) * | 2022-09-28 | 2022-11-29 | 洛阳龙泽能源有限公司 | Coke powder recovery mechanism for coke powder bin |
| JP7493135B2 (en) | 2021-11-22 | 2024-05-31 | Ｊｆｅスチール株式会社 | Flow control device for steelmaking raw materials |
-
2020
- 2020-06-10 CN CN202021054348.6U patent/CN212493968U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113198609A (en) * | 2021-03-30 | 2021-08-03 | 湖南华菱湘潭钢铁有限公司 | Pre-sorting process of coke powder for sintering |
| JP7493135B2 (en) | 2021-11-22 | 2024-05-31 | Ｊｆｅスチール株式会社 | Flow control device for steelmaking raw materials |
| CN115404087A (en) * | 2022-09-28 | 2022-11-29 | 洛阳龙泽能源有限公司 | Coke powder recovery mechanism for coke powder bin |
| CN115404087B (en) * | 2022-09-28 | 2023-07-25 | 洛阳龙泽能源有限公司 | Coke powder recycling mechanism for coke powder bin |
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